Finding the Fourth Proportional to 484,703.17, 668,454.90 and 303,431.60
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Solution
The fourth proportional to 484,703.17, 668,454.90 and 303,431.60 is: 418,462.99
Step by Step Solution
- Step 1: Write the proportion equation
484,703.17 : 668,454.90 = 303,431.60 : x - Step 2: Convert to fraction form
484,703.17/668,454.90 = 303,431.60/x - Step 3: Cross multiply
484,703.17x = 668,454.90 × 303,431.60 - Step 4: Simplify right side
484,703.17x = 202,830,339,834.84 - Step 5: Solve for x
x = 202,830,339,834.84/484,703.17 - Step 6: Final answer
x = 418,462.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.